My drill press chuck is stuck

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Forum topic by Vrtigo1 posted 10-30-2011 09:28 PM 1754 views 0 times favorited 4 replies Add to Favorites Watch
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434 posts in 2958 days

10-30-2011 09:28 PM

I was using a large forstner bit so I had to tighten it a bit more than I usually would to keep the bit from occassionally spinning in the chuck, now I can’t get the chuck to loosen. I tried slipping the round end of a box wrench over the lever on the chuck key to get more leverage, but all that accomplished was bending the lever on the chuck key.

I tried hosing it down with some liquid wrench but it still won’t budge.

I thought about rigging up some way to attach the chuck key to my cordless dewalt impact, but that just seems like it could do more harm than good. Any other ideas? I’m right in the middle of a project, and this is eating up my sunday afternoon which is my prime woodworking time!

EDIT: By the way, I have an older 16.5” Delta DP.

4 replies so far

View pintodeluxe's profile


5620 posts in 2779 days

#1 posted 10-30-2011 10:19 PM

I would try quick rap on the chuck with a screwdriver handle. Then try the impact driver trick.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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434 posts in 2958 days

#2 posted 10-30-2011 10:27 PM

Hammer worked great, I went back out to the shop right after posting this and tried that. Thanks for the suggestions!

View jim C's profile

jim C

1472 posts in 3065 days

#3 posted 10-30-2011 10:58 PM

Now think about a new chuck. That’s not supposed to happen. (Or,soak it overnight in WD-40 or motor oil)

I bought a set of Forstners that have flats on the shank so you don’t need to overtighten the chuck. The downside is you have to be very careful as the bit will not spin in the chuck if it jams. I always block the piece I’m working on against the drill press post, or I bolt it down.

Stay safe.

View Jim Finn's profile

Jim Finn

2647 posts in 2888 days

#4 posted 10-31-2011 01:58 AM

two pipe wrenches would break it free also.

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